body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: white;
}

table {
    width: 60%;
    border-collapse: collapse;
    color: black; /* 默认文本颜色为黑色 */
}

th, td {
    border: 1px solid #ddd; /* 更改为黑色边框 */
    padding: 10px;
    text-align: left;
}

th {
    background-color: #0288d1;
    color: white; /* 表头文本颜色为白色 */
    font-weight: bold;
    text-align: center; /* 表头居中 */
}

.left-column {
    width: 30%;
}

.right-column {
    width: 70%;
}
